FS: Sennheiser HMEC 400 ANR Special Edition

Used for approx. 70 hours in-flight. In excellent condition -
functionally and cosmetically.

Price: $400 firm.
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Features:

The HMEC 400 is a pilot's headset with closed ear protector headphones
and NoiseGardâ„¢ active noise compensation for use in helicopters,
propeller and turbo-prop aircraft.

Features

Constant attenuation of up to 40 dB throughout the entire audio range
Advanced transducer design ensures excellent speech intelligibility
Electronics fully integrated into headphone capsules

Can be used as conventional headphones when supply voltage is switched
off

Noise-compensated boom microphone for superior speech transmission

Technical Data

Transducer principle (Headphones) dynamic
Frequency response (headphones) 45.....15000 Hz
Nominal impedance (active/passive) 300/150 Ohm-mono, 600/300 Ohm-
stereo
Attenuation (active + passive) 25 - 40 dB
Weight w/o cable 380 g
Transducer principle (Microphone) Electret - MKE 45-1
Frequency response (microphone) 300.....5.000 Hz
Maximum sound pressure level (passiv) 120 dB
Output voltage 400 mV +/- 3 dB / 114 dB/SPL
Operating voltage (stand alone) typ. 16 VDC (8-16 VDC, 8-25 mA)
Operating temperature - 10.....+ 55 °C
Storage temperature - 55.....+ 55 °C
NoiseGard-Supply 12 - 35 VDC, ca. 27 mA, max. 80 mA
Specials NoiseGard on/off & mono/stereo switch, Volume control for
headphones
Connector 6,3 mm stereo-headphones, PJ-068-mircophone, XLR-3 NoiseGard
power

Delivery Includes...

1 HMEC 400 NoiseGardâ„¢
1 x 3-pin input socket for aircraft's internal power supply
1 carrying case for headset and accessories
1 MZQ 2002-1 cable clip